For sale XTIDE Boot Rom.
The XTIDE Boot Rom is an Optional Rom than can kick boot XT/AT PCs with Boot Option sockets in the motherboard or ISA expansion card (like the 3Com Etherlink III of the picture, not included in this auction).
XTIDE brings the possibility to use IDE HDs (or compact Flash memory cards) of any size (up to what the OS can format) in computers that have a custom ROM limiting HDs to a particular OEM factory spec typical in:
Commodore Amiga Sidecar (1060)
IBM 5150
IBM 5155
IBM 5160
Olivetti M21
Olivetti M24
Olivetti M240
Olivetti PCS 86
Olivetti PCS 286 (e.g. Original Rom limiting to 20MB or 40MB
Olivetti PCS 386
among many other models !
This item for sale can be used on motherboards having an optional Rom socket or ISA expansion cards (8/16bit) like 3Com Etherlink with Optional Boot Rom sockets. This Rom will boot vintage equipment with any IDE Hard disk drive using the same IDE 8/16bit controllers currently in the computer either embedded in motherboard or in ISA cards.
IMPORTANT: The 3com Etherlink Card that appears in the picture is not included in this sale. It just illustrates one of the possible ways to use this Rom in your PC when the motherboard has no place for Optional Boot Rom.